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Evidence for modular evolution in a long-tailed pterosaur with a pterodactyloid skull
- J. Lü, D. Unwin, Xingsheng Jin, Yongqing Liu, Q. Ji
- Biology, MedicineProceedings of the Royal Society B: Biological…
- 7 February 2010
Darwinopterus exhibits a remarkable ‘modular’ combination of characters: the skull and neck are typically pterodactyloid, exhibiting numerous derived character states, while the remainder of the skeleton is almost completely plesiomorphic and identical to that of basal pterosaurs, supporting the idea that modules were the principal focus of natural selection and played a leading role in evolutionary transitions.
An Egg-Adult Association, Gender, and Reproduction in Pterosaurs
- J. Lü, D. Unwin, D. Deeming, Xingsheng Jin, Yongqing Liu, Q. Ji
- Biology, MedicineScience
- 21 January 2011
Examples of Darwinopterus preserved together with an egg from the Jurassic of China demonstrate that males of this pterosaur had a relatively small pelvis and a large cranial crest, whereas females had a comparatively largepelvis and no crest.
A new azhdarchoid pterosaur from the Lower Cretaceous of China and its implications for pterosaur phylogeny and evolution
A complete, articulated skeleton of a 1.4-m-wingspan pterosaur from the Lower Cretaceous Jiufotang Formation of Liaoning Province, China is reported and it is identified as a new genus and species, Shenzhoupterus chaoyangensis gen. nov.
On the systematic and stratigraphic significance of pterosaurs from the Lower Cretaceous Yixian Formation (Jehol Group) of Liaoning, China
Abstract. A reassessment of the systematic relationships of pterosaurs from the Lower Cretaceous Yixian Formation of Liaoning Province, China, shows that Dendrorhynchoides should be reassigned to the…
A New Darwinopterid Pterosaur from the Middle Jurassic of Western Liaoning,Northeastern China and its Ecological Implications
: A new species of Darwinopterus, D. robustodens sp. nov. is described and named. Based on the new specimen, the diagnostic characters of Darwinopterus are amended and include: rostral dentition…
Mosaic evolution in an asymmetrically feathered troodontid dinosaur with transitional features
This report reports a new troodontid from the Lower Cretaceous Jehol Group of China that has anatomical features that are transitional between long-armed basal Troodontids and derived short-armed ones, shedding new light on troodonid character evolution and suggests that feather asymmetry was ancestral to Paraves.
A new rhamphorhynchid (Pterosauria: Rhamphorhynchidae) from the Middle/Upper Jurassic of Qinglong, Hebei Province, China
New genus and species of long-tailed pterosaur Qinglongopterus demonstrates that the highly derived skeletal morphology of Rhamphorhynchus, known only from the latest Jurassic (Tithonian) of Europe, had already appeared by the start of the Late Jurassic.
An Unusual Basal Therizinosaur Dinosaur with an Ornithischian Dental Arrangement from Northeastern China
A nearly complete, articulated skeleton of a new basal therizinosaur from the Early Cretaceous Yixian Formation of Jianchang County, western part of Liaoning Province is reported, which sheds light on the understanding of anatomy of basal therizinosaurs.
A NEW OVIRAPTOROSAURID (THEROPODA: OVIRAPTOROSAURIA) FROM THE LATE CRETACEOUS OF SOUTHERN CHINA
- J. Lü
- 14 January 2003
Oviraptorosaurians are generally regarded as non-avian theropod dinosaurs (Gauthier, 1986; Barsbold et al., 1990, 2000a; Barsbold, 1997; Sereno, 1999). Some recent phylogenetic analyses show that…
New material of dsungaripterid pterosaurs (Pterosauria: Pterodactyloidea) from western Mongolia and its palaeoecological implications
- J. Lü, Yoichi Azuma, Z. Dong, R. Barsbold, Yoshitsugu Kobayashi, Yuong‐Nam Lee
- BiologyGeological Magazine
- 16 June 2009
New material from the Early Cretaceous of Tatal, western Mongolia, allows the diagnoses of Dsungaripteridae and Noripterus to be amended and may imply that they occupied distinct ecological niches.